The EVK1101 provides one integrated TWI Interface to interface device in TWI (EEprom,...)
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The TWI Interface is only four holes in pitch 2.54 mm. It provides an easy probe area (connector J12). 3.3 V is connected on pin 1 and GND is connected on pin 4 of connector J12.
The TWI Interface follows the pinout:
J12 pin number | Description | GPIO Name | Alternate function used |
---|---|---|---|
2 | Two wire serial data | PA 10 | SDA |
3 | Two wire serial clock | PA 9 | SCL |
see below the hardware schematic :
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